Eccentric shaft for a grinding machine



FIG. 1 is a perspective view of an eccentric shaft for a grinding machine showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a perspective view showing the eccentric shaft in environmental structure.

The broken lines depict portions of the eccentric shaft that form no part of the claimed design.

The dot-dashed lines in FIG. 7 of the eccentric shaft for a grinding machine is for the purpose of illustrating environmental structure for the claimed design and form no part of the claimed design. 

CLAIM The ornamental design for an eccentric shaft for a grinding machine, as shown and described. 